<template>
  <div class="login">
    <div class="form-container">
      <el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form">
        <h3 class="title text-color-gradient">{{ title }}</h3>
        <h6 class="subtitle">AGRICULTURAL INSURANCE INFORMATION PLATFORM</h6>
        <el-form-item prop="loginName">
          <el-input
              v-model="loginForm.loginName"
              type="text"
              auto-complete="off"
              placeholder="请输入用户名"
          >
            <svg-icon slot="prefix" icon-class="user" class="el-input__icon input-icon"/>
          </el-input>
        </el-form-item>
        <el-form-item prop="password">
          <el-input
              v-model="loginForm.password"
              type="password"
              auto-complete="off"
              placeholder="请输入密码"
              @keyup.enter.native="handleLogin"
          >
            <svg-icon slot="prefix" icon-class="password" class="el-input__icon input-icon"/>
          </el-input>
        </el-form-item>
        <el-form-item prop="code">
          <el-input
              v-model="loginForm.code"
              auto-complete="off"
              placeholder="验证码"
              style="width: 63%"
              @keyup.enter.native="handleLogin"
          >
            <svg-icon slot="prefix" icon-class="validCode" class="el-input__icon input-icon"/>
          </el-input>
          <div class="login-code">
            <img :src="codeUrl" @click="getCode" class="login-code-img"/>
          </div>
        </el-form-item>
        <el-form-item style="width:100%;">
          <el-button
              :loading="loading"
              size="medium"
              type="primary"
              style="width:100%;"
              @click.native.prevent="handleLogin"
          >
            <span v-if="!loading">登 录</span>
            <span v-else>登 录 中...</span>
          </el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script>
import Cookies from "js-cookie";
import {getCodeImg} from "@/api/login";

export default {
  data() {
    return {
      title: process.env.VUE_APP_TITLE,
      codeUrl: "",
      loginForm: {
        loginName: "admin",
        password: "cb8849029",
        code: "",
        uuid: ""
      },
      loginRules: {
        loginName: [
          {required: true, trigger: "blur", message: "请输入您的账号"}
        ],
        password: [
          {required: true, trigger: "blur", message: "请输入您的密码"}
        ],
        code: [{required: true, trigger: "change", message: "请输入验证码"}]
      },
      loading: false,
      redirect: undefined
    };
  },
  watch: {
    $route: {
      handler: function (route) {
        this.redirect = route.query && route.query.redirect;
      },
      immediate: true
    }
  },
  created() {
    this.getCode();
    this.getCookie();
  },
  methods: {
    getCode() {
      getCodeImg().then(res => {
        let {data: {img, uuid}} = res
        this.codeUrl = "data:image/gif;base64," + img;
        this.loginForm.uuid = uuid;
      });
    },
    getCookie() {
      const loginName = Cookies.get("loginName");
      const password = Cookies.get("password");
      this.loginForm = {
        loginName: loginName === undefined ? this.loginForm.loginName : loginName,
        password: password === undefined ? this.loginForm.password : password,
      };
    },
    handleLogin() {
      this.$refs.loginForm.validate(valid => {
        if (valid) {
          this.loading = true;
          this.$store.dispatch("Login", this.loginForm).then(() => {
            this.$router.push({path: this.redirect || "/"}).catch(() => {
            });
          }).catch(() => {
            this.loading = false;
            this.getCode();
          });
        }
      });
    }
  }
}
</script>

<style lang="scss" scoped>
@import "@/assets/style/businessTheme.scss";

.login {
  display: flex; //设为弹性盒子
  justify-content: flex-start; //设置沿主轴方向的空白处理方式为从左边开始空白留在右侧
  padding-left: 10vw; //设置左侧间距
  align-items: center; //设置沿辅轴方向的空白处理方式为元素居中
  height: 100%;
  background-image: url("@/assets/images/login/login-background.png");
  background-size: 100% 100%; //按百分比设置

  .form-container {
    box-sizing: border-box;
    width: max-content;
    height: max-content;
    padding: 10px;
    border-radius: 5px;
    background: rgba(255, 255, 255, 0.1);

    .login-form {
      border-radius: 3px;
      background: rgba(255, 255, 255, 0.1);
      border: 1px solid rgba(255, 255, 255, .5);
      width: 400px;
      padding: 25px 25px 5px 25px;

      .title {
        margin: 0px auto 2px auto;
        text-align: center;
        //设置字体
        font-size: $title-size;
        letter-spacing: 1px;
        color: #fff;
      }

      //添加英文小标题
      .subtitle {
        //设置位置及字体颜色
        margin: 0px auto 30px auto;
        text-align: center;
        color: rgba(255, 255, 255, 0.8);
      }

      ::v-deep .el-input {
        height: 38px;


        input {
          height: 38px;
        }

        .el-input__inner {
          background: transparent;
          color: #fff;
        }
      }

      .input-icon {
        height: 39px;
        width: 14px;
        margin-left: 2px;
      }

      ::v-deep .el-button {
        background: linear-gradient(to right, rgb(157, 195, 245), rgb(78, 152, 250)); //按需改为蓝色

        border: none; //去除原有边框
      }

      .login-code {
        width: 33%;
        height: 38px;
        float: right;

        img {
          cursor: pointer;
          vertical-align: middle;
        }
      }

      .login-code-img {
        height: 38px;
      }
    }
  }
}
</style>
